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Find file Copy path
Find file Copy path
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<?php
$save_folder = dirname(__FILE__) . "/audio";
if(! file_exists($save_folder)) {
if(! mkdir($save_folder)) {
die("failed to create save folder $save_folder");
}
}
function valid_wav_file($file) {
$handle = fopen($file, 'r');
$header = fread($handle, 4);
list($chunk_size) = array_values(unpack('V', fread($handle, 4)));
$format = fread($handle, 4);
fclose($handle);
return $header == 'RIFF' && $format == 'WAVE' && $chunk_size == (filesize($file) - 8);
}
$key = 'filename';
$tmp_name = $_FILES["upload_file"]["tmp_name"][$key];
$upload_name = $_FILES["upload_file"]["name"][$key];
$type = $_FILES["upload_file"]["type"][$key];
$filename = "$save_folder/$upload_name";
$saved = 0;
if($type == 'audio/wav' && preg_match('/^[a-zA-Z0-9_\-]+\.wav$/', $upload_name) && valid_wav_file($tmp_name)) {
$saved = move_uploaded_file($tmp_name, $filename) ? 1 : 0;
}
if($_POST['format'] == 'json') {
header('Content-type: application/json');
print "{\"saved\": $saved}";
} else {
print $saved ? "Saved" : 'Not saved';
}
exit;
?>
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